Nanatsu no Taizai: Mokushiroku no Yonkishi Episode 17 English Subbed Episode Title: The King of Liones Episode Description: Awestruck by the sights of Liones, Percival wanders away from his friends and eventually meets Meliodas, who continues to run the Boar's Hat tavern in addition to his duties as king. Meliodas requests Percival's help in saving Britannia, explaining that the Four Knights of the Apocalypse were chosen to save the world rather than destroy it. Percival is suddenly distracted by shimmering magic crystals belonging to Chion, a Holy Knight of Liones who serves Meliodas's son, Prince Tristan...